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Finding the Fourth Proportional to 70,555.92, 97,371.76 and 49,327.44

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Solution

The fourth proportional to 70,555.92, 97,371.76 and 49,327.44 is: 68,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.92 : 97,371.76 = 49,327.44 : x
  2. Step 2: Convert to fraction form
    70,555.92/97,371.76 = 49,327.44/x
  3. Step 3: Cross multiply
    70,555.92x = 97,371.76 × 49,327.44
  4. Step 4: Simplify right side
    70,555.92x = 4,803,099,649.09
  5. Step 5: Solve for x
    x = 4,803,099,649.09/70,555.92
  6. Step 6: Final answer
    x = 68,075.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.